Working hard has never been easier than with the Cat® M322 Wheeled Excavator. This machine is designed to help you take on a wide variety of challenges at a lower cost. The Cat M322 plays its part in optimizing the operator’s efficiency to increase cash flow. Enjoy the versatility, precision, and efficiency offered by integrated solutions like Cat Grade and Payload technologies. Combined with simplified maintenance, the M322 keeps you working quickly and easily.
Engine Power - ISO 14396:2002 174 hp
Operating Weight Maximum 52911 lb
Forward/Reverse - 2nd Gear 18.6 mile/h
Engine Power - ISO 14396 (DIN) 176 hp (metric)
Biodiesel Capability Up to B20¹
Bore 4.1in
Displacement 427.8in²
Emissions Meets U.S. EPA Tier 4 Final, EU Stage V, Japan 2014 emission standards.
Engine Model C 7.1
Engine Power - ISO 14396 (DIN) 176hp (metric)
Engine Power - ISO 14396:2002 174hp
Net Power - ISO 9249 171hp
Net Power - ISO 9249 (DIN) 174hp (metric)
Note (1) Net power advertised is the power available at the flywheel when the engine is equipped with fan, air cleaner, CEM exhaust gas aftertreatment, alternator, and cooling fan with engine speed at 2,200 rpm. Advertised power is tested per the specified standar
Note (2) ¹Cat diesel engines are required to use ULSD (ultra-low sulfur diesel fuel with 15 ppm of sulfur or less) or ULSD blended with the following lower-carbon intensity fuels** up to: 20% biodiesel FAME (fatty acid methyl ester)* or 100% renewable diesel, HVO
Stroke 5.3in
Operating Weight Maximum 52911lb
Operating Weight Minimum 44750lb
Creeper Speed - 1st Gear 3.4mile/h
Creeper Speed - 2nd Gear 9.3mile/h
Drawbar Pull 28551lbf
Forward/Reverse - 1st Gear 5.6mile/h
Forward/Reverse - 2nd Gear 18.6mile/h
Maximum Gradeability 70%
Main System - Maximum Flow - Implement 95gal/min
Maximum Pressure - Implement Circuit - Heavy Lift 5366psi
Maximum Pressure - Implement Circuit - Normal 5076psi
Maximum Pressure - Implement Circuit - Travel Circuit 5076psi
Swing Torque 44250lb/ft
Cooling System 10.6gal (US)
Diesel Exhaust Fluid (DEF) 7.9gal (US)
Engine Oil 3.4gal (US)
Fuel Tank 124.2gal (US)
Hydraulic System - Including Tank 71.3gal (US)
Hydraulic Tank 52.8gal (US)
Boom VA 5.4m (17'10")
Counterweight Clearance 4.3ft
Ground Clearance 1.25ft
Shipping Height with Falling Object Guard 11ft
Shipping Length 31.1ft
Stick 2.9m (9'2")
Support Point 11.3ft
Tail Swing Radius 9.2ft
Wheel Base 9ft
Boom Type VA 5.4m (17'10")
Bucket GD 1.2 m³ (1.7 yd³)
Bucket Forces (ISO) 33946lbf
Cutting Height 35.8ft
Maximum Depth Cut for 2440 mm (8 ft) Level Bottom 21.6ft
Maximum Digging Depth 21.8ft
Maximum Loading Height 24.7ft
Reach at Ground Level 33.4ft
Stick 2.9m (9'2")
Stick Forces (ISO) 23605lbf
Vertical Wall Digging Depth 17.3ft
Note The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 1.0 kg of refrigerant which has a CO2 equivalent of 1.43 metric tonnes.
Standard and optional equipment may vary. Consult your Cat dealer for details.
ROPS, advanced sound suppression
Premium cab with auto-adjustable seat and air ventilation
High-resolution 254 mm (10 in) LCD touchscreen monitor
5.4 m (17'10") variable adjustable boom
VisionLink
Remote Flash
Remote Troubleshoot
LED lights on chassis (left-hand, right-hand) and counterweight
Programmable time-delay LED working lights
Roading and indicator lights, front and rear
Maintenance-free batteries
Centralized electrical disconnect switch
Power mode selector
One-touch low idle with auto engine speed control
Auto engine idle shutdown
52°C (125°F) high-ambient cooling capacity
Cold start capability-18°C (0°F)
Double element air filter with integrated precleaner
Electric fuel priming pump
On-demand electric cooling fans
Automatic swing brake
Auto hydraulic oil warm up
Electronic main control valve
Boom, stick, and bucket drift reduction valves
1-slider joystick
Heavy lift mode
Separate dedicated swing pump
Boom, stick, and bucket drift reduction valves
Rear- and right-side-view cameras
Ground-level engine shutoff switch
Anti-skid plate and countersunk bolts on service platform
Sampling ports for Scheduled Oil Sampling (S·O·S)
Integrated vehicle health management system
11.00-20 16 PR, dual tires
Automatic brake/axle lock
Creeper speed
All wheel drive
Standard and optional equipment may vary. Consult your Cat dealer for details.
2.5 m (8'2") stick
2.9 m (9'6") stick
Cat Grade Connectivity
Cat Grade 2D
Cat Grade with Attachment Ready Option (ARO)
Cat Grade 3D dual GNSS
Laser catcher
Grade Assist
Cat Payload
Cat Tilt Rotator (TRS) Integration
Electrical refueling pump
2-slider joystick
Second high-pressure auxiliary circuit (one-/ two-way high-pressure flow)
Medium pressure auxiliary circuit (one-/ two-way medium-pressure flow)
Quick coupler circuit
SmartBoom
Ride control
Cat tiltrotator support
Joystick steering
Boom/stick lowering check valves
360° visibility
Cat asset tracker
Wide angle mirrors
Signaling/warning horn
2D E-Fence
Inspection lighting
Automatic lubrication system for implement and swing system
3500 kg (7,716 lb) counterweight
4700 kg (10,362 lb) counterweight
